BlackCat Ransomware variant Sphynx has been newly identified with additional features used for encrypting Azure Storage accounts. This Sphynx variant of BlackCat was first discovered in March and was upgraded in May, which added the Exmatter exfiltration tool.  Another version of Sphynx was released in August, which included new command-line arguments that can override the credentials inside the config files obtained from compromised systems.

Source: GBHackers